.wrapper {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  min-height: 100vh;
  background-color: #f2f2f2;
  

  .searchBar {
    width: 1200px;
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    margin: 20px;

    .logo {
      height: 38px;
      width: 160px;
    }

    .name{
      font-size: 20px;
      font-weight: 600;
    }

    .searchInput {

      input {
        border: 1px solid #0069ff
      }
    }
  }

  .navWrapper {
    width: 100%;
    height: 40px;
    overflow: hidden;
    // background: #338de6;
    // background: #b3b3b3;
    // background: #fca05f;
    background-color: #0099ff;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    // position: fixed;
    // top: 0;
    // z-index: 20;

    .narMenu {
      width: 1200px;
      display: flex;
      flex-direction: row;
      justify-content: flex-start;
      align-items: center;
      z-index: 10;

      .narItem {
        cursor: pointer;
        display: inline-block;
        text-align: center;
        vertical-align: middle;
        font-weight: bold;
        color: #ebf5e9;
        // margin-right: 30px;
        height: 40px;
        line-height: 40px;
        padding: 0 30px;
      }

      .narItemActive {
        background-color: #fff;
        color: rgb(75, 75, 75);
      }

      .narItem:hover {
        // background-color: #fff;
        color: rgb(75, 75, 75);
      }
    }
  }

  .searchSourceList{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    width: 1200px;
    margin: 20px 0;
    background-color: #fff;
    padding: 16px;

    .title {
      display: flex;
      flex-direction: row;
      justify-content: flex-start;
      align-items: center;
      font-weight: bold;
      font-size: 20px;
      color: #5f5f5f;
      margin-bottom: 5px;
    }


      .record {
        width: 540px;
        box-sizing: border-box;
        display: flex;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
        margin-bottom: 10px;
        cursor: pointer;

        .testIcon {
          width: 20Px;
          height: 20px;
          margin-right: 10px;
        }

        .testTxt {
          overflow: hidden;
          text-overflow: ellipsis;
          white-space: nowrap;
          font-size: 14px;
          flex: 1;
        }

        .testTxt:hover {
          color: #0080FF
        }

        .time {
          color: #999;
          font-size: 14px;
          display: inline-block;
          margin-left: 10px;
        }
      }
  }

  .productIntroduce {
    margin-top: 160px;
    width: 1200px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    z-index: 10;

    .textIntroduce {
      flex: 1;
      color: white;

      .loadMoreBtn {
        display: inline-block;
        padding: 10px 40px;
        background-color: transparent;
        color: #ffffff;
        border: 1px solid #ffffff;
        border-radius: 5px;
        margin-top: 20px;
      }
    }

    .picIntroduce {
      flex: 1;

      img {
        width: 400px;
        height: 400px;
      }

      .pic {
        width: 400px;
        height: 400px;
      }
    }
  }

  .footer_bg {
    width: 100%;
    background-size: cover;
    background-position: top;
    position: fixed;
    bottom: 0;
    background: #1E1E1E;
    color: rgba(255, 255, 255, .5);
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    // padding: 20px 0;
    height: 32px;
    
    .logo {
      height: 48px;
      width: 140px;
      background: #fff;
      padding: 10px;
      margin-right: 20px;
    }

    .footer_section {
      // position: absolute;
      color: #fff;
      background-size: cover;
      background-repeat: no-repeat;
      font-size: 12px;
      margin: 0;
      text-align: center;
      color: #ffffff;
      bottom: 10px;
      text-align: left;

      p {
        margin: 0;
        line-height: 32px;
        &>a{
          color:#fff;
          &:hover{
            color: #40a9ff;
          }
        }
      }
    }

  }


  .feature {
    margin-top: 300px;
    height: 400px;
    // width: 100%;
    background: #fff;
    width: 1200px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    z-index: 10;

    .teacherPic {}

    .explain {
      flex: 1;
      // color: white;

      .loadMoreBtn {
        display: inline-block;
        padding: 10px 40px;
        background-color: transparent;
        color: #212529;
        border: 1px solid #212529;
        border-radius: 5px;
        margin-top: 20px;
      }
    }
  }
}